1, duct sealing, and significantly reduce the amount of air leakage, energy conservation, galvanized duct board price, reducing the host operating costs. 2, duct automatic beading, high strength and appearance is clean and free zinc coating damage. 3, the production installation fast, reduce labor intensity and improve labor efficiency, meet the modern engineering needs, improve competitive advantage to install the unit. Pipes for exhaust air, ventilation ducts and spiral pipes points total of flange plate duct, the company has a full set of machinery and equipment for processing of such duct, galvanized duct board thickness, the process can be divided to form material processing and all-inclusive, and can be processed according to the needs of semi-finished products, galvanized sheet duct installation, to be assembled at the site, so not only convenient, but also save a lot of transportation costs. We also undertake the installation of ventilation ducts, Liaoyuan galvanized duct board, so that the manufacture, installation service! , Our company will send technical staff to field measurements give the most reasonable design galvanized duct board manufacturers, Yanda air conditioning (certified), Liaoyuan duct galvanized sheet provided by the Wu County Yanda air-conditioning plant. Wu County Yanda air-conditioning plant (www.wcydkt.com) (www.wcydkt.com) Shandong Dezhou, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, honesty and trustworthiness policy, and satisfy customer needs. In Yanda air conditioning leadership with the staff warmly welcome all inquiries negotiations to create Yanda air conditioning better future.